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floor level | |||
nadir; bedrock |
最 低 水平 : 41 phrases in 16 subjects |
Automobiles | 1 |
Aviation | 1 |
Business | 9 |
Commerce | 1 |
Desert science | 1 |
Economy | 4 |
Fishery fishing industry | 2 |
Hydroelectric power stations | 2 |
International trade | 2 |
Laboratory equipment | 1 |
Pest control | 1 |
Securities | 1 |
Space | 1 |
Sports | 1 |
Technology | 12 |
Textile industry | 1 |